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Re: Update on PROV-O OWL file (Action item 55)

From: Luc Moreau <L.Moreau@ecs.soton.ac.uk>
Date: Fri, 17 Feb 2012 16:09:55 +0000
Message-ID: <EMEW3|6b73fe103d5049289e3d507a8d4364dfo1GG9w08L.Moreau|ecs.soton.ac.uk|4F3E7BD3.1010905@ecs.soton.ac.uk>
To: public-prov-wg@w3.org
Hi Curt,

Your example is good. This shows Satya's requirement can be expressed
by application specific attributes. Estimated/uncertain creation 
times/intervals
are out of scope of the prov data model.

Regards,
Luc

On 02/17/2012 02:25 PM, Curt Tilmes wrote:
> On 02/16/2012 05:04 PM, Luc Moreau wrote:
>> On 16/02/12 21:36, Satya Sahoo wrote:
>>> Also, I believe the DM supports representation of a simple provenance
>>> assertion such as, "The MonaLisa portrait is dated to circa 15031519"
>>> (MonaLisa portrait is an Entity).
>>
>> How would you do it? I don't know.
>
> Time is instantaneous, so you couldn't specify it as a generation
> time, but could you just define a domain specific attribute for the
> generation?
>
> wasGeneratedBy(ex:MonaLisa, [ex:creationEstimate="1503-1519"]);
>
> Is it ok to leave out both activity and time in order to specify
> generation attributes?  DM would seem to allow it since everything but
> entity is optional.
>
>
> How would such a thing get mapped to RDF?
>
> ex:MonaLisa a prov:Entity .
> _:a a prov:Activity .
> _:g a prov:Generation .
> ex:MonaLisa prov:wasGeneratedBy _:a .
> _:a prov:hadQualifiedGeneration _:g .
> _:g a prov:QualifiedInvolvement .
> _:g prov:hadQualifiedEntity ex:MonaLisa .
> _:g ex:creationEstimate "1503-1519" .
>
>
> Probably easier to just express this outside PROV:
>
> ex:MonaLisa ex:creationEstimate "1503-1519" .
>
> Curt
>

-- 
Professor Luc Moreau
Electronics and Computer Science   tel:   +44 23 8059 4487
University of Southampton          fax:   +44 23 8059 2865
Southampton SO17 1BJ               email: l.moreau@ecs.soton.ac.uk
United Kingdom                     http://www.ecs.soton.ac.uk/~lavm
Received on Friday, 17 February 2012 16:10:25 GMT

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